diff --git a/cdk_central_environment.star b/cdk_central_environment.star
index 236bd3d1..e315343a 100644
--- a/cdk_central_environment.star
+++ b/cdk_central_environment.star
@@ -26,9 +26,11 @@ def run(plan, args):
             )
         },
     )
-    zkevm_prover_package.start_prover(
-        plan, args, prover_config_artifact, "zkevm_prover_start_port"
-    )
+
+    if not args["zkevm_use_real_verifier"] and not args["enable_normalcy"]:
+        zkevm_prover_package.start_prover(
+            plan, args, prover_config_artifact, "zkevm_prover_start_port"
+        )
 
     # Get the genesis file artifact.
     # TODO: Retrieve the genesis file artifact once it is available in Kurtosis.
diff --git a/cdk_erigon.star b/cdk_erigon.star
index f567a7a8..adee8397 100644
--- a/cdk_erigon.star
+++ b/cdk_erigon.star
@@ -31,6 +31,7 @@ def run_sequencer(plan, args):
                 template=cdk_erigon_chain_spec_template,
                 data={
                     "chain_id": args["zkevm_rollup_chain_id"],
+                    "enable_normalcy": args["enable_normalcy"],
                 },
             ),
         },
@@ -125,6 +126,7 @@ def run_rpc(plan, args):
                 template=cdk_erigon_chain_spec_template,
                 data={
                     "chain_id": args["zkevm_rollup_chain_id"],
+                    "enable_normalcy": args["enable_normalcy"],
                 },
             ),
         },
diff --git a/input_parser.star b/input_parser.star
index f61aabf4..1ddc2789 100644
--- a/input_parser.star
+++ b/input_parser.star
@@ -227,6 +227,9 @@ DEFAULT_ROLLUP_ARGS = {
     # Docker/Kubernetes cluster".
     # https://docs.kurtosis.com/advanced-concepts/public-and-private-ips-and-ports/
     "use_dynamic_ports": True,
+    # Set this to true to disable all special logics in hermez and only enable bridge update in pre-block execution
+    # https://hackmd.io/@4cbvqzFdRBSWMHNeI8Wbwg/r1hKHp_S0
+    "enable_normalcy": False,
 }
 
 DEFAULT_PLESS_ZKEVM_NODE_ARGS = {
@@ -301,6 +304,9 @@ def parse_args(plan, args):
     deploy_cdk_erigon_node = deployment_stages.get("deploy_cdk_erigon_node", False)
     l2_rpc_name = get_l2_rpc_name(deploy_cdk_erigon_node)
 
+    if args["enable_normalcy"] and args["erigon_strict_mode"]:
+        fail("normalcy and strict mode cannot be enabled together")
+
     # Determine static ports, if specified.
     if not args.get("use_dynamic_ports", True):
         plan.print("Using static ports.")
diff --git a/templates/cdk-erigon/chainspec.json b/templates/cdk-erigon/chainspec.json
index 9716333f..bd58dcb2 100644
--- a/templates/cdk-erigon/chainspec.json
+++ b/templates/cdk-erigon/chainspec.json
@@ -12,13 +12,14 @@
   "istanbulBlock": 0,
   "muirGlacierBlock": 0,
   "berlinBlock": 0,
-  "londonBlock": 9999999999999999999999999999999999999999999999999,
+  "londonBlock": {{if .enable_normalcy}}0{{else}}9999999999999999999999999999999999999999999999999{{end}},
   "arrowGlacierBlock": 9999999999999999999999999999999999999999999999999,
   "grayGlacierBlock": 9999999999999999999999999999999999999999999999999,
-  "terminalTotalDifficulty": 58750000000000000000000,
+  {{if not .enable_normalcy}}"terminalTotalDifficulty": 58750000000000000000000,{{end}}
   "terminalTotalDifficultyPassed": false,
-  "shanghaiTime": 9999999999999999999999999999999999999999999999999,
-  "cancunTime": 9999999999999999999999999999999999999999999999999,
+  "shanghaiTime": {{if .enable_normalcy}}0{{else}}9999999999999999999999999999999999999999999999999{{end}},
+  "cancunTime": {{if .enable_normalcy}}0{{else}}9999999999999999999999999999999999999999999999999{{end}},
+  "normalcyBlock": {{if .enable_normalcy}}0{{else}}9999999999999999999999999999999999999999999999999{{end}},
   "pragueTime": 9999999999999999999999999999999999999999999999999,
   "ethash": {}
-}
\ No newline at end of file
+}
diff --git a/templates/cdk-erigon/config.yml b/templates/cdk-erigon/config.yml
index c147c22e..fba46d3f 100644
--- a/templates/cdk-erigon/config.yml
+++ b/templates/cdk-erigon/config.yml
@@ -149,7 +149,12 @@ zkevm.reject-smart-contract-deployments: false
 # Disables virtual counters, which are used by sequencer nodes when external execution is not enabled.
 # This can impact performance and transaction processing capabilities.
 # Default: false
+# {{if .enable_normalcy}}
+zkevm.disable-virtual-counters: true
+# {{else}}
 zkevm.disable-virtual-counters: false
+# {{end}}
+
 
 # Multiplier used to reduce the depth of SMT when calculating virtual counters.
 # A value less than 1 will decrease SMT depth, potentially improving performance but may affect accuracy.